Welding machine



FIG. 1 is a front perspective view of a welding machine according to the invention.

FIG. 2 is a rear perspective view of the welding machine of FIG. 1.

FIG. 3 is a left view of the welding machine of FIG. 1.

FIG. 4 is a right view of the welding machine of FIG. 1.

FIG. 5 is a front side view of the welding machine of FIG. 1.

FIG. 6 is a rear side view of the welding machine of FIG. 1.

FIG. 7 is a top plan view of the welding machine of FIG. 1; and,

FIG. 8 is a bottom plan view of the welding machine of FIG. 1.

The broken lines shown in the drawings depict portions of the welding machine that form no part of the claimed design. 

CLAIM The ornamental design for a welding machine, as shown and described. 